CVE-2020-10809
mediumpriority · track · 23EPSS 0.015 · 75 %ileEURUUSEPSS · scored 2026-10-22
An issue was discovered in HDF5 through 1.12.0. A heap-based buffer overflow exists in the function Decompress() located in decompress.c. It can be triggered by sending a crafted file to the gif2h5 binary. It allows an attacker to cause Denial of Service.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (8)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (12)
External citations — patches, advisories, analysis.
- https://bitbucket.hdfgroup.org/projects/HDFFV/repos/hdf5/browse/release_docs/RELEASE.txtcnnvd
- https://github.com/Loginsoft-Research/hdf5-reports/tree/master/Vuln_1cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-10809cnnvd
- https://research.loginsoft.com/bugs/heap-overflow-in-decompress-c-hdf5-1-13-0/cnnvd
- https://vigilance.fr/vulnerability/HDF5-three-vulnerabilities-38491cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.2698cnnvd
- https://bitbucket.hdfgroup.org/projects/HDFFV/repos/hdf5/browse/release_docs/RELEASE.txtenisa_euvd
- https://github.com/Loginsoft-Research/hdf5-reports/tree/master/Vuln_1enisa_euvd
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